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Limits

Last Updated: Oct 22, 2021

This topic describes the limits on accounts and features when you use Elastic High Performance Computing (E-HPC). This topic also describes how to increase quotas.

Limits on accounts

Item

Limit

Adjustable

Accounts used to create clusters

To create an Elastic Compute Service (ECS) instance in mainland China, you must first complete real-name verification.

N/A

Limits on features

The following table describes the limits on the features of E-HPC in a single region.

Item

Limit

Adjustable

Maximum number of clusters

3

Submit a ticket

Maximum number of the nodes in a cluster

500

Submit a ticket

Maximum number of nodes that can be added at a time

99

N/A

Maximum size of the system disk in a node

500 GiB

Submit a ticket

Maximum number of compute nodes on which a single file system can be mounted

1000

N/A

Maximum capacity of a single file system

  • Performance NAS file system: 1 PiB

  • Extreme NAS file system: 256 TiB

N/A